# Scales Lexicon vs Gridplay

The clearest difference is review sentiment: Scales Lexicon at 86% against Gridplay's 36%. Scales Lexicon also leads on rating (4.8 vs 2.4) and in-app purchases (none vs 1). Gridplay's advantage is update cadence (monthly vs every 19 months) and ratings volume (77 vs 6). On ads, monetization model and device support there is nothing between them.

Scales Lexicon costs $2.99 and Gridplay $1.99 up front. Gridplay sells 1 one-off in-app purchase. Scales Lexicon asks for nothing beyond the download.

Scales Lexicon holds the better App Store score, 4.8 against 2.4. That said, the two scores are not equally well evidenced: Gridplay has 77 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 86% of Scales Lexicon's written reviews are positive against 36% of Gridplay's.

Scales Lexicon ships an update every 19 months, Gridplay monthly. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

## The numbers

| Metric | Scales Lexicon | Gridplay |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/scales-lexicon/id428590294/reviews)** | [2.4 (77 ratings)](https://appshunter.io/ios/app/gridplay/id861216052/reviews) |
| Number of ratings | 6 | **77** |
| Positive reviews | **85.7% of reviews** | 35.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 40 MB | 14 MB |
| Requires iOS | 26.5 | **11.3** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Patrick Q. Kelly](https://appshunter.io/developer/310068987) | [Peta Vision](https://appshunter.io/developer/401432180) |

## What reviewers say

### Scales Lexicon

[App page](https://appshunter.io/ios/app/scales-lexicon/id428590294)

This app provides a comprehensive library of musical scales with detailed notation and playback. It allows for transposition across various instruments and clefs, offering customizable rhythmic patterns and playback options. Users can generate printable PDF scores for practice and sharing.

**Highlights:** Over 100 musical scales, Interactive notation and playback, Transposition for multiple instruments, Customizable rhythmic patterns, PDF score generation, Multiple octaves and playback modes

**In-app purchases:** none


### Gridplay

[App page](https://appshunter.io/ios/app/gridplay/id861216052)

Create dynamic, multi-clip music videos with an innovative grid interface. Combine and divide cells, adjust individual clips, and add music to produce unique visual content for social media.

**Highlights:** Multi-clip grid interface, Combine and divide cells, Independent clip sound control, Timeline editing, Clip rotation and scaling, Save to camera roll, Share to social media

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expend video length to 5minute | $0.99 | one-time |


## Frequently asked questions

### Is Scales Lexicon free?

Scales Lexicon costs $2.99, with no in-app purchases.

### Is Gridplay free?

Gridplay costs $1.99, and also offers in-app purchases.

### Which has better reviews, Scales Lexicon or Gridplay?

Scales Lexicon is rated higher. Scales Lexicon averages 4.8 out of 5 from 6 ratings, while Gridplay averages 2.4 from 77 ratings.

### Do Scales Lexicon or Gridplay have ads?

Neither Scales Lexicon nor Gridplay shows ads.

### Which is updated more often, Scales Lexicon or Gridplay?

Scales Lexicon ships an update every 19 months, and Gridplay monthly. Most recently, Scales Lexicon was updated on November 1, 2026 and Gridplay on November 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*